Having had more time to digest Paul J. Weiss' analogy, I would like to add a further comparison: If AACR2 is the Edsel, then RDA is poised to become the DeLorean of the Information Superhighway to Hell: shiny, futuristic, expensive, and impractical for most drivers. Mike Tribby Senior Cataloger Quality Books Inc. The Best of America's Independent Presses mailto:[log in to unmask]